mandrel

  • 111Scroll saw — Saw Saw, n. [OE. sawe, AS. sage; akin to D. zaag, G. s[ a]ge, OHG. sega, saga, Dan. sav, Sw. s[*a]g, Icel. s[ o]g, L. secare to cut, securis ax, secula sickle. Cf. {Scythe}, {Sickle}, {Section}, {Sedge}.] An instrument for cutting or dividing… …

    The Collaborative International Dictionary of English

  • 112Circular saw — This miter saw uses a circular saw mounted to cut at an angle Buzzsaw redirects here. For other uses, see Buzzsaw (disambiguation). The circular saw is a machine using a toothed metal cutting disc or blade. The term is also loosely used for the… …

    Wikipedia

  • 113Rifling — refers to the helix shaped pattern in the barrel of a firearm, which imparts a spin to a projectile around its long axis. This spin serves to gyroscopically stabilize the projectile, improving its aerodynamic stability and accuracy.Rifling is… …

    Wikipedia

  • 114Operation Crosstie — Crosstie Buggy. Information Country  United States …

    Wikipedia

  • 115Metalworking — Machining a bar of metal on a lathe. Metalworking is the process of working with metals to create individual parts, assemblies, or large scale structures. The term covers a wide range of work from large ships and bridges to precise engine parts… …

    Wikipedia

  • 116Millwright — A millwright is a craftsman or tradesman engaged with the construction and maintenance of machinery. Early millwrights were specialist carpenters who erected machines used in agriculture, food processing and processing lumber and paper. In the… …

    Wikipedia

  • 117Bellmaking — Bellfounding is the craft of creating bells in a foundry. A practitioner of the craft is called a bellmaker or bellfounder.BellfoundingThe term bellfounding describes the casting of large bells for use in churches, clocks, and public buildings.… …

    Wikipedia

  • 118Internal ballistics — Internal ballistics, a subfield of ballistics, is the study of a projectile s behavior from the time its propellant s igniter is initiated until it exits the gun barrel. The study of internal ballistics is important to designers and users of… …

    Wikipedia

  • 119Swage — Swaging (pronunciation note below) is a metal forming technique in which the dimensions of an item are altered using a die or dies, into which the item is forced. [ [http://www.efunda.com/processes/metal processing/swaging.cfm Definition of… …

    Wikipedia

  • 120Coated abrasive — Assorted Coated Abrasives A coated abrasive is an abrasive grain bonded to a flexible substrate using adhesives.[1] Common substrates are paper, cloth, vulcanized fiber, and plastic films and come in grit sizes range from very coarse ( 2 mm) …

    Wikipedia